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When scripts or background maintenance wish to perform HTTP(S) requests, there is a risk that our stored credentials might be invalid. At the moment, this causes the credential helper to ping the user and block the process. Even if the credential helper does not ping the user, Git falls back to the 'askpass' method, which includes a direct ping to the user via the terminal. Even setting the 'core.askPass' config as something like 'echo' will causes Git to fallback to a terminal prompt. It uses git_terminal_prompt(), which finds the terminal from the environment and ignores whether stdin has been redirected. This can also block the process awaiting input. Create a new config option to prevent user interaction, favoring a failure to a blocked process. The chosen name, 'credential.interactive', is taken from the config option used by Git Credential Manager to already avoid user interactivity, so there is already one credential helper that integrates with this option. However, older versions of Git Credential Manager also accepted other string values, including 'auto', 'never', and 'always'. The modern use is to use a boolean value, but we should still be careful that some users could have these non-booleans. Further, we should respect 'never' the same as 'false'. This is respected by the implementation and test, but not mentioned in the documentation. The implementation for the Git interactions takes place within credential_getpass(). The method prototype is modified to return an 'int' instead of 'void'. This allows us to detect that no attempt was made to fill the given credential, changing the single caller slightly. Also, a new trace2 region is added around the interactive portion of the credential request. This provides a way to measure the amount of time spent in that region for commands that _are_ interactive. It also makes a conventient way to test that the config option works with 'test_region'. Signed-off-by: Derrick Stolee <stolee@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Git - fast, scalable, distributed revision control system
Git is a fast, scalable, distributed revision control system with an unusually rich command set that provides both high-level operations and full access to internals.
Git is an Open Source project covered by the GNU General Public License version 2 (some parts of it are under different licenses, compatible with the GPLv2). It was originally written by Linus Torvalds with help of a group of hackers around the net.
Please read the file INSTALL for installation instructions.
Many Git online resources are accessible from https://git-scm.com/ including full documentation and Git related tools.
See Documentation/gittutorial.txt to get started, then see
Documentation/giteveryday.txt for a useful minimum set of commands, and
Documentation/git-<commandname>.txt for documentation of each command.
If git has been correctly installed, then the tutorial can also be
read with man gittutorial or git help tutorial, and the
documentation of each command with man git-<commandname> or git help <commandname>.
CVS users may also want to read Documentation/gitcvs-migration.txt
(man gitcvs-migration or git help cvs-migration if git is
installed).
The user discussion and development of Git take place on the Git mailing list -- everyone is welcome to post bug reports, feature requests, comments and patches to git@vger.kernel.org (read Documentation/SubmittingPatches for instructions on patch submission and Documentation/CodingGuidelines).
Those wishing to help with error message, usage and informational message
string translations (localization l10) should see po/README.md
(a po file is a Portable Object file that holds the translations).
To subscribe to the list, send an email to git+subscribe@vger.kernel.org (see https://subspace.kernel.org/subscribing.html for details). The mailing list archives are available at https://lore.kernel.org/git/, https://marc.info/?l=git and other archival sites.
Issues which are security relevant should be disclosed privately to the Git Security mailing list git-security@googlegroups.com.
The maintainer frequently sends the "What's cooking" reports that list the current status of various development topics to the mailing list. The discussion following them give a good reference for project status, development direction and remaining tasks.
The name "git" was given by Linus Torvalds when he wrote the very first version. He described the tool as "the stupid content tracker" and the name as (depending on your mood):
- random three-letter combination that is pronounceable, and not actually used by any common UNIX command. The fact that it is a mispronunciation of "get" may or may not be relevant.
- stupid. contemptible and despicable. simple. Take your pick from the dictionary of slang.
- "global information tracker": you're in a good mood, and it actually works for you. Angels sing, and a light suddenly fills the room.
- "goddamn idiotic truckload of sh*t": when it breaks